Buggy code:
} public boolean addToAssociations ( Association value ) { } public boolean removeFromAssociations ( Association value ) { } public AssociationSet getAssociations ( ) { } public GenEnumeration getOrCreate ( Enumeration enumeration ) { } public GenClass getOrCreate ( Clazz clazz ) { } public GenMethod getOrCreate ( Method method ) { } public GenAttribute getOrCreate ( Attribute attribute ) { } public GenAnnotation getOrCreate ( Annotation annotation ) { } public GenAssociation getOrCreate ( Association association ) { } public GenRole getOrCreate ( Role role ) { } public boolean generate ( String rootDir ) { } private void fixClassModel ( ) { } private void fixClassModel ( Clazz item , HashSet < Clazz > visited ) { } public Parser getOrCreateCreatorCreatorParser ( String rootDir ) { if ( ( ( ( ! ( model . getClasses ( ) . isEmpty ( ) ) ) && ( ( creatorCreatorParser ) == null ) ) && ( ( model . getName ( ) ) != null ) ) && ( model . hasFeature ( Serialization ) ) ) { String packageName = model . getName ( ) ; packageName = packageName + ( GenClassModel . UTILPATH ) ; String creatorCreatorClassName = packageName + ".CreatorCreator" ; String fileName = creatorCreatorClassName ; fileName = fileName . replaceAll ( "\\." , "//" ) ; fileName = ( ( rootDir + "//" ) + fileName ) + ".java" ; File javaFile = new File ( fileName ) ; creatorCreatorParser = new Parser ( ) . withFileName ( fileName ) ; if ( javaFile . exists ( ) ) { creatorCreatorParser . withFileBody ( CGUtil . readFile ( javaFile ) ) ; } else { StringBuilder text = new StringBuilder ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( "package<seq2seq4repair_space>packageName;\n\n" + "import<seq2seq4repair_space>" ) + ( JsonIdMap . class . getName ( ) ) ) + ";\n" ) + "import<seq2seq4repair_space>org.sdmlib.serialization.SDMLibJsonIdMap;\n" ) + "\n" ) + "class<seq2seq4repair_space>className{\n" ) + "\n" ) + "<seq2seq4repair_space>public<seq2seq4repair_space>static<seq2seq4repair_space>JsonIdMap<seq2seq4repair_space>createIdMap(String<seq2seq4repair_space>sessionID)\n" ) + "<seq2seq4repair_space>{\n" ) + "<seq2seq4repair_space>JsonIdMap<seq2seq4repair_space>jsonIdMap<seq2seq4repair_space>=<seq2seq4repair_space>(JsonIdMap)<seq2seq4repair_space>new<seq2seq4repair_space>SDMLibJsonIdMap().withSessionId(sessionID);\n" ) + "<seq2seq4repair_space>\n" ) + "JSONCREATORS\n" ) + "<seq2seq4repair_space>return<seq2seq4repair_space>jsonIdMap;\n" ) + "<seq2seq4repair_space>}\n" ) + "}\n" ) ) ; StringBuilder creators = new StringBuilder ( ) ; for ( Clazz clazz : model . getClasses ( ) ) { if ( ( ( ! ( clazz . isInterface ( ) ) ) && ( ! ( clazz . isEnumeration ( ) ) ) ) && ( clazz . hasFeature ( Serialization ) ) ) { String creatorName = "" ; if ( clazz . isExternal ( ) ) { creatorName = ( ( ( model . getName ( ) ) + ( GenClassModel . UTILPATH ) ) + "." ) + ( CGUtil . shortClassName ( clazz . getFullName ( ) ) ) ; GenClass genClass = getOrCreate ( clazz ) ; Parser creatorClassParser = genClass . getOrCreateParserForCreatorClass ( rootDir ) ; String string = creatorClassParser . getFileName ( ) ; String alternativeFilePath = string . substring ( ( ( rootDir . length ( ) ) + 1 ) , ( ( string . length ( ) ) - ( "Creator.java" . length ( ) ) ) ) . replaceAll ( "//" , "." ) ; if ( ! ( creatorName . equals ( alternativeFilePath ) ) ) creatorName = alternativeFilePath ; } else { creatorName = ( ( ( CGUtil . packageName ( clazz . getFullName ( ) ) ) + ( GenClassModel . UTILPATH ) ) + "." ) + ( CGUtil . shortClassName ( clazz . getFullName ( ) ) ) ; } creators . append ( ( ( "<seq2seq4repair_space>jsonIdMap.withCreator(new<seq2seq4repair_space>" + creatorName ) + "Creator());\n" ) ) ; if ( clazz . hasFeature ( PatternObject ) ) { creators . append ( ( ( "<seq2seq4repair_space>jsonIdMap.withCreator(new<seq2seq4repair_space>" + creatorName ) + "POCreator());\n" ) ) ; } if ( ! ( model . getName ( ) . equals ( CGUtil . packageName ( clazz . getFullName ( ) ) ) ) ) { } } } CGUtil . replaceAll ( text , "class<seq2seq4repair_space>className" , "public<seq2seq4repair_space>class<seq2seq4repair_space>className" ) ; CGUtil . replaceAll ( text , "className" , CGUtil . shortClassName ( creatorCreatorClassName ) , "packageName" , packageName , "JSONCREATORS" , creators . toString ( ) ) ; creatorCreatorParser . withFileBody ( text ) . withFileChanged ( true ) ; } for ( Clazz clazz : this . getModel ( ) . getClasses ( ) ) { <START_BUG> if ( ( ( ! ( clazz . isInterface ( ) ) ) && ( ! ( clazz . isExternal ( ) ) ) ) && ( clazz . hasFeature ( Serialization ) ) ) { <END_BUG> insertCreatorClassInCreatorCreator ( creatorCreatorParser , clazz ) ; } } if ( ( getShowDiff ( ) ) == ( GenClassModel . DIFF . NONE ) ) { CGUtil . printFile ( creatorCreatorParser ) ; } } return creatorCreatorParser ; } public void insertCreatorClassInCreatorCreator ( Parser ccParser , Clazz clazz ) { } public void addHelperClassesForUnknownAttributeTypes ( ) { } private void attributNameConsistenceCheck ( Exception e , String rootDir ) { } private String defPositionAsString ( Parser parser , LinkedHashMap < String , LocalVarTableEntry > localVarTable , String name , DataType attrType , String clazzType ) { } private long defPosition ( Parser parser , LinkedHashMap < String , LocalVarTableEntry > localVarTable , String name , DataType attrType , String clazzType ) { } private void writeToFile ( Clazz modelCreationClass ) { } private void resetParsers ( ) { } public void setModel ( ClassModel value ) { } protected Clazz getOrCreateClazz ( String className ) { } public ClassModel getModel ( ) { } public void insertModelCreationCodeHere ( String rootDir , String newMethod ) { } public void insertModelCreationCodeHere ( String rootDir , String className , String newMethod ) { } public void insertModelCreationCodeHere ( String rootDir ) { } private void completeImports ( ) { } private int completeCreationClasses ( String callMethodName , Clazz modelCreationClass , String signature , int currentInsertPos , String rootDir ) { }

Fix:
if ( ( ( ( ! ( clazz . isInterface ( ) ) ) && ( ! ( clazz . isExternal ( ) ) ) ) && ( clazz . hasFeature ( Serialization ) ) ) && ( ! ( clazz . isEnumeration ( ) ) ) ) {